HISTORY OF MOBILE PHONES

Communication is one major aspect thatnot be used in other cell areas. By 1973, Motorola
differentiates man from other animals. Man isintroduced the DynaTAC prototype phone.
gregarious and needs to communicate in order to beFirst Generation:
within a society. Since time immemorial, man hasMotorola introduced the first handheld mobile, the
always striven his best to develop new means tomodel being Dyan TAC8000X. These phones were
communicate with fellow human beings. From, morsebased on cellular networks, which were present in
code to smoke signals and telephones, the advent ofclose proximity. These were provided with the
means of communication has been steady throughhandover, so the signal was maintained even when
many eras.the phone moved from one area to another. Analog
The latest means of communication has man hastransmission was used for this. However the most
invented is the mobile phone. What was once ainteresting fact however was, the phones were as
luxury is now a necessity. Many of us are so into thelarge as a briefcase.
new gadget these days, that we often forget theSecond Generation:
other important affairs of life. It will be interesting toThis includes the phones that were introduced in the
trace back the history of this wonder gadget and1990s. Types such as GSM, iDEN, CDMA were
how it has silently made a revolution world over.introduced. United States of America came up with
The history of mobile phones can be consideredthe first digital cellular phone. GSM network was
under three broad heads:introduced. The phones involved the digital circuit
• Early Stageswitched transmission. With the development in
• First generation mobilestechnology and electronics, the brick size phones
• Second generation mobilesgave away to smaller phones which weighed just
• Third generation mobilesabout 100 to 200 grams.
Early Stage:Third Generation:
The birth of mobile phones is actually through theThe third generation mobiles were introduced on the
idea of using the mobile rigs, on police vehicles, taxibasis of some standards. These standards related
radios etc. These phones however were installedonly to the requirements and not the technology.
permanently in the vehicles. Later these gave way toThe idea of having a worldwide standard broke and
transportable phones. By late sixties, the phones thatgave rise to many other standards. The third
were introduced had to stay within the cell area sogeneration mobile phone systems include the UMTS
that they could be served by one service station. Butand CDMA2000 1xEV-DO.
the main disadvantage was that, the cell phone could